The structure of the product is identified with IR, H-NMR and C-NMR.
利用红外光谱、核磁共振谱对产品结构进行了确定。
2
This paper reviews the advancement in study of chemical constituents of C. orbiculatus, presenting the structure and the 13C-NMR data of these constituents.
本文概述从南蛇藤中得到的数十种化合物的结构和波谱数据。
3
Structures of the lignin base epoxy resins and their forming mechanisms were analyzed according to results of characterization by IR, 1H-NMR, 13 C-NMR, and so on.